On Fri, Oct 15, 2010 at 11:09 AM, Florian Weimer <f...@deneb.enyo.de> wrote: > * Henning Thielemann: > >> Some open/close pairs have corresponding 'with' functions, that are >> implemented using Exception.bracket. You can also use them within >> GHCi. I think using both manual resource deallocation and finalizers >> makes everything more complicated and more unreliable. > > It seems that Exception.bracket does not work in all cases, see the > recent "MonadCatchIO, finally and the error monad" thread. > > Anyway, the ability of closures (and threads) means that something > like Exception.bracket does not prevent access to closed handles, so > I still need an additional safety net.
That thread is for the function "bracket" provided by the package MonadCatchIO. Control.Exception.bracket should work fine as far as I know. Antoine _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
